We surveyed trees that are estimated as being between 500 and 800 years old.
我们调查了估计在500至800岁之间的树木。
Signal estimation can be a special form of state estimation, such as ARMA signal being estimated as the component of a state.
信号估计可作为状态估计的一种特殊形式,例如ARMA信号估计可转化成一个状态分量的估计问题。
At the present time the demand for VHG and electric power stations is estimated as 100 000 units per month, and our manufacture aims at the output of such quantity of equipment.
目前,据估计市场对VHG和电力发电站的需求是每月100 000个单位,我们的生产目标就在于这个数字。
An estimated five thousand protesters known as Red Shirts occupied a three square kilometer area of Bangkok's business district.
VOA: special.2010.05.22
Africa had an estimated seventeen thousand white rhinos and four thousand black rhinos as of two years ago.
VOA: special.2009.12.14
An estimated half million pieces of debris litter the Earth's orbit as a result of man's exploration of space.
VOA: standard.2010.07.24
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